Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Full reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1944. Ozarkian and Canadian cephalopods, longicones and summary. Geological Society of America Special Paper 58:1-226

Parent taxon: Ellesmeroceratidae according to R. E. Crick 1981

See also Sepkoski 2002 and Ulrich et al. 1944

Sister taxa: Albertoceras, Anhuiceras, Annoceras, Barnesoceras, Bassleroceras, Boreoceras, Botellusoceras, Bridgeoceras, Buehleroceras, Burenoceras, Caseoceras, Chabactoceras, Chepuloceras, Clarkoceras, Clelandoceras, Conocerina, Cumberloceras, Dakeoceras, Diaphoroceras, Dongshanoceras, Dyscritoceras, Ectenoceras, Ectenolites, Ellesmeroceras, Eoclarkoceras, Eoectenolites, Eorudolfoceras, Eremoceras, Hemichoanella, Keraiaceras, Lebetoceras, Levisoceras, Llanoceras, Loxochoanella, Meikeloceras, Muriceras, Oelandoceras, Oneoceratidae, Oneotoceras, Pachendoceras, Paradakeoceras, Purmanarcoceras, Quebecoceras, Robsonoceras, Shantungendoceras, Sinolebetoceras, Smithvilloceras, Stemtonoceras, Tanycameroceras, Ventroloboceras, Walcottoceras, Wolungoceras valcourense, Woosteroceras

Subtaxa: Copiceras erectum

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Type: Copiceras erectum

Ecology: nektobenthic carnivore

Distribution: found only at Graceland Mines about 4 miles nothwest of Smithville (Ordovician of Arkansas)

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Specimen images are retrieved through the ePANDDA API.